/Engine/Source/Runtime/CoreUObject/Public/UObject/Object.h
Serializes the script property data located at Data. When saving, only saves those properties which differ from the corresponding value in the specified 'DiffObject' (usually the object's archetype).
void SerializeScriptProperties ( [FStructuredArchive::FSlot](API\Runtime\Core\Serialization\FStructuredArchive\FSlot) Slot ) const